Kalkini Upazila: History
Kalkini Police Station was established in 1909 and it was turned into an upazila on 1 February 1984. Kalkini Municipality was established in 1997. The Dasar Police Station was declared on 2 March 2013, with a partial area of Kalkini Police Station. Earlier, the Dasar Union was divided into two units, Betwari and Dasar, and the Nabagram Union divided into two other unions, named Sasikar and Nabagram. A police inquiry center was established at Dasar on 2 February 2012, with a total of six unions, including Gopalpur and Kazibakai unions.